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Factory Direct Sales Customized Precision Copper Brass Knurled Heat-Set Threaded Insert Nut
  • Standard & made-to-drawing parts
  • Checked before shipping
  • Air, sea & express delivery
Threaded Inserts & Clinch Fasteners › Heat-Set, Knurled & Molded-In Inserts

Factory Direct Sales Customized Precision Copper Brass Knurled Heat-Set Threaded Insert Nut

Updated 2026-11-04 · Markdown version

US$0.1210,000–49,999 pieces US$0.09650,000–99,999 pieces US$0.06100,000+ pieces

MOQ 10,000 pieces · Final price confirmed in your quote

Material
Carbon Steel, Stainless Steel
Head Style
Flat/Domed/Countersunk
Standard
DIN, GB, ANSI, BSW, JIS, GOST
Grade
Custom
Finish
Plain/Polish
Thread
with/Without Thread
Size
Customized
Thread Type
Metric / Unc / Unf / Custom

Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

CustomizationAvailable
MaterialCarbon Steel, Stainless Steel
TypeRound Head
GrooveSpecial Shape
ConnectionCommon Bolt
Head StyleFlat/Domed/Countersunk
StandardDIN, GB, ANSI, BSW, JIS, GOST
GradeCustom
Delivery5-10 Days in Stock, 10-30 Days Not in Stock
FinishPlain/Polish
Threadwith/Without Thread
SizeCustomized
Thread TypeMetric / Unc / Unf / Custom
Installation MethodPress-in / Ultrasonic / Heat-Embedded / Molded-in
Surface FinishNatural / Nickel-Plated / Zinc Plated / Passivated
ApplicationPlastics / Electronics / Automotive / Furniture /
CertificationISO 9001 / RoHS Certification
PackagingBulk Packed / Bagged / Boxed / Custom
Transport PackagePlastic Bags+Cartons+Pallets, or Customlized
Specificationas Request
OriginHebei, China
HS Code731823
Production Capacity50 Million Tons/Month
Package Size24.40cm * 11.00cm * 12.00cm
Package Gross Weight30.000kg
ApplicationsReinforce injection-molded parts, furniture threads, electronics enclosures, and medical polymer components.
High-strength & high-load applicationsengines, heavy machinery, structural bolts.
Lightweight applicationsaerospace, racing, drones, bicycles.
Longshi Advantage8-dimensional customization (material, specification, surface treatment, etc.), with 3D design drawings + process plans.
Stockout rate <0.1% (peers10+%), with real-time inventory monitoring. For extreme stockouts, free upgraded alternatives are provided (peers often leave clients waiting indefinitely).
CategoryHeat-Set, Knurled & Molded-In Inserts

Technical parameters

Thread SpecM2M2.5M3(M3.5)M4M5M6
d
k11.21.41.51.51.82
n1.21.51.81.82.533.5
d1(h12)3.23.43.84.556.47.4
dk(Before knurling)3.53.84.255.578
d22.52.52.83.5456
t(h14)2.32.633.5456
h(h12)44.65.5678.39.8
thousand pieces weigh kg0.850.890.930.971.21.251.3
MaterialCorrosion ResistanceTemperature ResistanceMagneticApplications
Carbon SteelLow-20°C to 300°C(-4°F to 572°F)YesGeneral purpose, construction, indoor machinery, automotive.
Alloy SteelLow to Medium-50°C to 450°C(-58°F to 842°F)YesHigh-strength & high-load applications: engines, heavy machinery, structural bolts.
SS304 Stainless SteelGood-196°C to 800°C(-321°F to 1472°F)NoFood processing, kitchen equipment, chemical equipment, architectural fixtures.
SS316 Stainless SteelExcellent-196°C to 800°C(-321°F to 1472°F)NoMarine environments, chemical processing, medical implants, coastal structures.
BrassGood-20°C to 200°C(-4°F to 392°F)NoElectrical applications, plumbing and pipe fittings, decorative purposes.
Aluminum AlloyGood-200°C to 150°C(-328°F to 302°F)NoLightweight applications: aerospace, racing, drones, bicycles.
Titanium AlloyExcellent-200°C to 600°C(-328°F to 1112°F)NoHigh-end aerospace, medical implants, performance racing, chemical industry.
Nylon (Plastic)Excellent-40°C to 85°C(-40°F to 185°F)NoElectrical insulation, lightweight fastening, chemical resistance, electronics.

Description

Factory Direct Sales Customized Precision Copper Brass Knurled Heat-Set Threaded Insert Nut is part of our heat-set, knurled & molded-in inserts range (Threaded Inserts & Clinch Fasteners).

Key details

  • Type: Round Head
  • Standard: DIN, GB, ANSI, BSW, JIS, GOST
  • Material: Carbon Steel, Stainless Steel
  • Grade: Custom
  • Size: Customized
  • Thread: with/Without Thread
  • Head Style: Flat/Domed/Countersunk
  • Groove: Special Shape

Available configurations include material, head style, standard, grade and finish. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 10,000 pieces at US$0.06 – 0.12 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for Factory Direct Sales Customized Precision Copper Brass Knurled Heat-Set Threaded Insert Nut?

The listed minimum order is 10,000 pieces, at US$0.06 – 0.12 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

How does the price change with quantity?

Volume pricing: US$0.12 for 10,000–49,999 pieces; US$0.096 for 50,000–99,999 pieces; US$0.06 for 100,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Factory Direct Sales Customized Precision Copper Brass Knurled Heat-Set Threaded Insert Nut?

Type: Round Head; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: Carbon Steel, Stainless Steel; Grade: Custom; Size: Customized; Thread: with/Without Thread. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, head style, standard, grade and finish. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other heat-set, knurled & molded-in inserts are available?

The Heat-Set, Knurled & Molded-In Inserts category lists 395 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/heat-set-knurled-molded-in-inserts/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

  • DIN, ISO, ASTM, ANSI, JIS and GB standard parts
  • Non-standard parts made to your drawing
  • Dimensions, thread gauges and plating checked before packing
  • Export cartons and pallets, consolidated mixed orders
  • Samples available for approval before mass production

More about us → · Request a sample or custom quote →

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US$0.06 – 0.12MOQ 10,000 piecesGet a quote